(function (window, undefined) {
  const Tools = {
    // 获取一个范围内部的随机整数
    getRandom: function (min, max) {
      min = Math.ceil(min);
      max = Math.floor(max);
      return Math.floor(Math.random() * (max - min + 1)) + min; //含最大值，含最小值
    },
  };
  window.Tools = Tools;
})(window, undefined);
